1488431317 has 2 divisors, whose sum is σ = 1488431318. Its totient is φ = 1488431316.

The previous prime is 1488431299. The next prime is 1488431381. The reversal of 1488431317 is 7131348841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337657476 + 150773841 = 36574^2 + 12279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1488431317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1488431317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1488431387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744215658 + 744215659.

It is an arithmetic number, because the mean of its divisors is an integer number (744215659).

Almost surely, 2^1488431317 is an apocalyptic number.

It is an amenable number.

1488431317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488431317 is an equidigital number, since it uses as much as digits as its factorization.

1488431317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 1488431317 is about 38580.1933250729. The cubic root of 1488431317 is about 1141.7637919418.

The spelling of 1488431317 in words is "one billion, four hundred eighty-eight million, four hundred thirty-one thousand, three hundred seventeen".